package com.itheima.reggie.service.impl;

import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.itheima.reggie.common.CustomerException;
import com.itheima.reggie.mapper.CategoryMapper;
import com.itheima.reggie.pojo.Category;
import com.itheima.reggie.pojo.Dish;
import com.itheima.reggie.pojo.Setmeal;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.DishService;
import com.itheima.reggie.service.SetmealService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

@Service
public class CategoryServiceImpl extends ServiceImpl<CategoryMapper, Category> implements CategoryService {
    @Autowired
    DishService dishService;
    @Autowired
    SetmealService setmealService;

    @Override
    public void deleteById(Long id) {
        Integer count1 = dishService.lambdaQuery().eq(Dish::getCategoryId, id).count();
        if(count1>0)
        {
            throw new CustomerException("菜品包含此，不可删除");
        }
        Integer count2 = setmealService.lambdaQuery().eq(Setmeal::getCategoryId, id).count();
        if (count2>0)
        {
            throw new CustomerException("套餐包含此，不可删除");
        }
        this.removeById(id);
    }
}
